Heating & Gas Questions

Draining radiator system for new replacement combi boiler
Heating & Gas  •  358 views  •  0 answers

What needs to be opened fully in all the radiators when draining the radiators and closed, adjusted when refilled? All ock shield valves, which would lose the original balanced settings for flow of water into each radiator? All air release valves? All TRVs? Anything else?

Gas hob and electric oven install in place of free standing
Heating & Gas  •  348 views  •  0 answers

I have a free standing cooker on a wall that needs to have 2 new cupboards and a housing unit for oven and hob fitted then new worktop. i believe I have to have pipe work done for the hob. The current free standing cooker is connected by a black …

Draining radiators on a communal heating system
Heating & Gas  •  343 views  •  0 answers

Hi all, I have a small plumbing job to do for which I need to drain the radiators in my property. There are only two radiators, that are fed by a communal boiler, and pass through an immersion heater. I have already identified the isolation valves for the primary flow …

How to run gas tracpipe under patio
Heating & Gas  •  338 views  •  0 answers

I’m a garden designer and the the client wants to run a gas tracpipe from the house to fireplace at end of the garden. I want to be sure that we lay the gas pipe correctly under the patio. Does it have to sit in a bed of sand? Then …

Radiator TRV's
Heating & Gas  •  337 views  •  2 answers

I've always understood that a Drayton TRV(4) should always go on the flow side of a radiator and the bleed valve goes on the top of the other end of the rad. Having moved onto a new, to us, old house a number of bleed valves are on the same …

Combo boiler vailiant - disc fitted to inlet do not use
Heating & Gas  •  330 views  •  1 answer

Just moved in sign near boiler says disc fitted to inlet do not use what does that mean

UFH. Air source pump?
Heating & Gas  •  326 views  •  0 answers

I’ve had a kitchen/diner single storey extension built on my 1890 semi. The existing kitchen and extension have had UFH piping/manifold fitted but not connected to any water or heating. The rest of the house is heated by multi fuel stove back boiler so cannot be used for the UFH. …

Does elbows in gas pipe affect flow?
Heating & Gas  •  324 views  •  0 answers

Hi, I have 10 elbows in my gas pipe from the gas meter to the boiler. A plumber has told me that this will reduce the flow of gas going into the boiler and so it will not be enough flow to fit a combi boiler and the max I …

Economy 7 hot water heater timing
Heating & Gas  •  321 views  •  0 answers

My tenant says they have a bath in the morning and the water is then cold all day. On economy 7 so does it only heat at night . They say they have switched on the boost but it doesn't heat up during the day.

Can Gas Safe Engineer connect 3 double gas hobs?
Heating & Gas  •  320 views  •  0 answers

Am I allowed to pay a Gas safe engineer to connect 3 separate double gas hobs in my kitchen instead of one large 5/6 burner gas hob? Due to the way I cook with large pots this would be much more suitable for me. My oven is electric and so …